Transcription of Dr. Mohammed E. Haque, P.E. Bar Dia (inch) = Bar …
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Dr. Mohammed E. Haque, P.E. Bar Dia (inch) = Bar …
Dr. Mohammed E. haque , Table_Haque_Reinf_Concrete Page 1 of 14 Table 2: Minimum Required Beam width (b) of barsBar Numbersin single layer#3 & #4#5#6#7#8#9#10# : Tabulated minimum beam width (b) based on #3 stirrups, bar to bar clear gap of 1", and clear cover of "Table-1: Diameter and Area of Reinforcing BarsBar Dia. (in)Area ( )#33 #41 #55 #63 #77 # #99 #1010 #1111 Dia (inch) = Bar No. / 8 Dr. Mohammed E. haque , Table_Haque_Reinf_Concrete Page 2 of 14 Table 3: Cross-sectional Area of Reinforcing Bars per foot of Slab (Sq. in.)Bar SpacingBar number(in)#3#4#5# Mohammed E. haque , Table_Haque_Reinf_Concrete Page 3 of 14 Table 4: Minimum and Maximum Steel Ratiofc' (psi)fy = = = = min ma xDr. Mohammed E. haque , Table_Haque_Reinf_Concrete Page 4 of 14 Formula: T- Beam (For positive moment; flange is in compression) 3 fc fy bw d 200 fy bw d As min = larger of fc , fy are in psi bw, d, hf are in inch fy 87000 (d) 87000 + fy 1 hf 1 b + bw fc hf As max = 1 = for fc 4000 psi; is reduced continuously at the rate of for each 1000 psi of strength in excess of 4000 psi; 1 can not be less than
Dr. Mohammed E. Haque, P.E. Table_Haque_Reinf_Concrete Page 1 of 14 Table 2: Minimum Required Beam width (b) inches. No. of bars Bar Numbers
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